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Finding the Fourth Proportional to 504,554.49, 696,453.93 and 300,669.39

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Solution

The fourth proportional to 504,554.49, 696,453.93 and 300,669.39 is: 415,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,554.49 : 696,453.93 = 300,669.39 : x
  2. Step 2: Convert to fraction form
    504,554.49/696,453.93 = 300,669.39/x
  3. Step 3: Cross multiply
    504,554.49x = 696,453.93 × 300,669.39
  4. Step 4: Simplify right side
    504,554.49x = 209,402,378,296.20
  5. Step 5: Solve for x
    x = 209,402,378,296.20/504,554.49
  6. Step 6: Final answer
    x = 415,024.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.